文档介绍：------------------------------------------------------------------------------------------------ ——————————————————————————————————————一种新的射频 CMOS 混频器结构第26卷第5期2005年5月半导体学报 CHINESEJOURNAL0FSEMICoNDUCT ORS May,2005 ANewLowVoltageRF CMoSMixer Design ‘ LiuLulandWangZhihua2 (1 De声口rfme ’ l￡o,E￡ec￡r07lic (2 J咒sfi￡“￡e Engi,leering,Tsing^"aU孔iuer “￡, ,Be巧itlg 100084,Chin口) o, MicroPzPc￡ro挖if5 , Tsi ” g^ “口U ni加r5i￡y,BP巧i ”g 100084,C^i咒口) ------------------------------------------------------------------------------------------------ —————————————————————————————————————— Abstr舵t: AnewarchitectureofCMOSlowvo ltagedownconversionmixerispre and1 . 45GHzRFinput , simulation resultsshowthattheconversiong ainis15dB , IIP3is一4 . 5dBm , NFis17 dB , themaximumtransientpowerdis sipationis9 . 3mW , andDCpowerdiss ipationis9 . 2mW . Themixer ’ snoise andlineari — ty analyses are alsopresented. Keywords:downconVersionmixe r; CMOSpmcess ; noiseandIinea “ tya nalysis :1250CLC number:TN432 D∞岫ent code : AArticleID : 0253 — 4177 ( 20 ------------------------------------------------------------------------------------------------ —————————————————————————————————————— 05)05一0877一04 adequatemodelforthetransist orinsuchworking 1Introduction . [5 ] ,LCtanks to are usedinthemixer in achieve low voltageoperation,but CMOS Inrecentyears , lowv01tagehasb ecome get atar — techn0109y ,(≯ valueofthespira linductorisrela — tively10w , u pies space. ------------------------------------------------------------------------------------------------ —————————————————————————————————————— a inmostdigitalandanaloginteg ratedcircuitap — lotofchips plications . monlyus edCMOSmixer top0109yis Gilbertmixer [ 1| . Ithasstacked use struc — Inthis paper,ahighgain downconversion ture , whichlimitsitsinlowsupp ly voltageap — CMOSmixerwithlowsupply thetopologyofthemixerhaspre tors,so voltageispresented; never plications . Recently , alotofef -------------------